Science

Which situation shows work being done?
Turning a pag
Reading a book
Resting a book against the wall
Holding a book
What is the formula for calculating work?
F=WD
W=FD
D=WF
How much work is being done if a force of 10N is used to move box 8meters?
10N
80Joules
80N
10Joules
Which is NOT an important safety rule in the lab?
Proper laboratory attire
Shoes untied
Eye protection
Electric safety
What are two products produced by photosynthesis?
Glucose,Carbon
Glucose,Oxygen
Carbon,Oxygen
Which of the following organisms can undergo photosynthesis?
Animals
Plants
Fungi
Energy is stored in the form of _____ during photosynthesis.
Light energy
Chemical energy
Sound energy
What is a Parasite?
An organism that produces its own food
An organism that lives off off the organism and benefits off the nutrients at the host expense
An organism that decomposes dead things
What is primary succession?
Occurs on preexisting soil
Occurs in the earth
Occurs without top soil
What is secondary succession?
Occurs on under ground
Occurs without topsoil
Occurs on preexsiting soil
What is a pioneer species?
What percent of energy is available to the organisms at the second tropic level
100%
10%
1%
15%
What is biodiversity
First to colonize previously disrupted or damaged ecosystems
The variety of life on earth
Eats animals and plants
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